CN216328063U

CN216328063U - Core roller rapid assembling and disassembling device for horizontal ring rolling mill

Info

Publication number: CN216328063U
Application number: CN202122853769.6U
Authority: CN
Inventors: 任荣新; 李少雨; 吴军
Original assignee: Avic Excellence Forging Wuxi Co ltd
Current assignee: Avic Excellence Forging Wuxi Co ltd
Priority date: 2021-11-19
Filing date: 2021-11-19
Publication date: 2022-04-19
Anticipated expiration: 2031-11-19

Abstract

The utility model relates to a core roller rapid assembling and disassembling device for a horizontal ring rolling mill, which comprises a main frame, a first threaded hole and a second threaded hole, wherein the inner side of the main frame is provided with a core roller, the top end of the core roller is screwed with a second screw, the top of the second screw is provided with a blind hole cover plate, two sides of the top of the second screw are symmetrically provided with two grooves, a lower inclined block is placed in each groove, the outer side of the lower inclined block is provided with an upper inclined block, and the upper inclined block is connected with the blind hole cover plate through a bolt. Can effectively reduce the production cost and shorten the production period.

Description

Core roller rapid assembling and disassembling device for horizontal ring rolling mill

Technical Field

The utility model relates to a quick assembling and disassembling device, in particular to a quick assembling and disassembling device for a core roller of a horizontal ring rolling mill.

Background

The annular forging is an extremely important branch of a forging, and is finally processed into gears, bearings, rotary supports, sealing rings and the like to be applied to the fields of energy, engineering machinery, petrochemical equipment and the like. The ring rolling mill is used as the most classical equipment for producing ring-shaped forgings, and the working principle of the ring rolling mill is that a core roller is inserted into an inner hole of a prefabricated ring-shaped blank, a main roller is arranged on the outer side of the blank, the blank is driven to move along the circumferential direction by the rotation of the main roller or the core roller, and meanwhile, the distance between the main roller and the core roller is reduced, so that the thickness of the blank is reduced, and the diameter of the ring-shaped forging is increased. According to the working principle of the ring rolling mill, the core roller is one of the key parts of the ring rolling mill and one of the easily worn parts in the ring rolling mill, and the core roller needs to be replaced periodically. Meanwhile, some annular parts have certain shapes and can be designed into special-shaped ring pieces, namely the inner diameter, the outer diameter or the end faces of the ring pieces can be designed into certain shapes, so that the utilization rate of raw materials can be improved, the production cost is reduced, the flow line direction and the shape of the forged piece can be ensured to be consistent, and the improvement on the service life of the product is greatly facilitated. However, the core roller needs to be replaced frequently when the core roller is worn or the special-shaped core roller is adopted, a large amount of time is wasted, and the production efficiency of the ring piece is reduced.

Current core roller disassembly body passes apron 3 by first screw rod 1 and connects soon on the inboard core roller 5 of main frame 4 to connect soon on the top of first screw rod 1 through nut 2, rely on the precession of nut 2 on first screw rod 1 or screw-out to realize the up-and-down motion of core roller 5, and then realize the dismantlement and the installation of core roller 5, current core roller disassembly body can't realize quick dismantlement and the quick installation of core roller, very big extravagant core roller is dismantled and installation time, ring production efficiency has been reduced, unable better improvement material utilization.

SUMMERY OF THE UTILITY MODEL

Aiming at the situation, in order to overcome the defects of the prior art, the utility model provides the device for quickly assembling and disassembling the core roller for the horizontal ring rolling mill, which effectively solves the problems that the existing core roller disassembling mechanism cannot realize quick disassembling and quick assembling of the core roller, the disassembling and assembling time of the core roller is greatly wasted, the production efficiency of a ring piece is reduced, and the material utilization rate cannot be well improved.

In order to achieve the purpose, the utility model provides the following technical scheme: the core roller is arranged on the inner side of the main frame, the second screw rod is screwed at the top end of the core roller, the blind hole cover plate is arranged at the top of the second screw rod, two grooves are symmetrically formed in two sides of the top of the second screw rod, the lower inclined block is placed in each groove, the upper inclined block is arranged on the outer side of the lower inclined block, and the upper inclined block is connected with the blind hole cover plate through the bolts.

Preferably, a first threaded hole is formed in the position, corresponding to the second screw, of the core roller.

Preferably, the positions of the upper inclined block and the blind hole cover plate corresponding to the bolts are provided with second threaded holes.

Preferably, the shape of recess is right trapezoid, and the top is the slope limit, and the below is the right angle limit.

Preferably, the connection parts of the lower inclined block, the groove upper inclined edge and the upper inclined block are provided with inclined edges.

Preferably, the connection part of the upper inclined block and the lower inclined block is provided with an inclined edge corresponding to the connection part.

Has the advantages that: when the core roller is disassembled, the second screw rod is screwed into the first threaded hole of the core roller, then the bolt is screwed out, the core roller drives the second screw rod to move downwards, the inclined plane of the groove on the second screw rod extrudes the lower inclined block outwards, the lower inclined block extrudes the upper inclined block on the outer side to move upwards, and a gap formed by screwing the bolt out upwards is filled, so that the core roller is disassembled quickly;

during the core roller assembly, earlier in the first screw hole of second screw rod screw in core roller, then shift the core roller to the assembly position, with bolt screw in downwards, go up sloping block downstream, the inclined plane of sloping block will go up sloping block and remove in to the recess of second screw rod down, promote recess upward movement to drive core roller upward movement, and then realize the rapid Assembly of core roller.

The core roller quick disassembling and installing mechanism is novel in structure and ingenious in conception, is simple in structural design and can be repeatedly used, the core roller can be quickly disassembled and quickly installed, the disassembling and installing time of the core roller is greatly saved, the production efficiency of ring pieces can be improved, meanwhile, the production range of inner special-shaped ring pieces can be popularized by utilizing the quick disassembling and installing of the core roller, the utilization rate of materials is improved, the production cost can be effectively reduced, and the production period can be shortened;

the core roller which needs to be scrapped due to long-term use can be quickly replaced by utilizing the utility model; the rapid replacement of the core roller can realize the rapid replacement of the core roller, greatly improve the feasibility of production scheduling, and realize the production of various inner special-shaped ring pieces in one day, thereby saving the design method of increasing the excess materials due to the unchanged replacement of the core roller, further improving the utilization rate of materials, improving the occupation ratio of the inner special-shaped ring pieces in the overall ring piece production and improving the production experience of operators by replacing the core roller.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic diagram of the present invention;

FIG. 2 is a schematic view of a modified structure of the present invention;

FIG. 3 is a schematic view of a portion of the FIG. 2 embodiment of the present invention;

reference numbers in the figures: 1. a first screw; 2. a nut; 3. a cover plate; 4. a main frame; 5. a core roll; 6. a bolt; 7. a second screw; 8. a lower inclined block; 9. an upper inclined block; 10. a blind hole cover plate; 11. a groove; 12. a first threaded hole; 13. and a second threaded hole.

Detailed Description

The following describes in further detail embodiments of the present invention with reference to fig. 1-3.

The utility model provides a first embodiment, which is shown in fig. 1-3, and provides a device for quickly assembling and disassembling a core roller for a horizontal ring rolling mill, which comprises a main frame 4, a core roller 5, a bolt 6, a second screw 7, a lower inclined block 8, an upper inclined block 9, a blind hole cover plate 10, a groove 11, a first threaded hole 12 and a second threaded hole 13, wherein the core roller 5 is arranged on the inner side of the main frame 4, the second screw 7 is screwed on the top end of the core roller 5, the blind hole cover plate 10 is arranged on the top of the second screw 7, two grooves 11 are symmetrically arranged on two sides of the top of the second screw 7, the lower inclined block 8 is placed in the groove 11, the upper inclined block 9 is arranged on the outer side of the lower inclined block 8, and the upper inclined block 9 is connected with the blind hole cover plate 10 through the bolt 6.

When in specific use: when the core roller 5 is disassembled, the second screw 7 is screwed into the first threaded hole 12 of the core roller 5, then the bolt 6 is screwed out, the core roller 5 drives the second screw 7 to move downwards, the inclined plane of the groove 11 on the second screw 7 extrudes the lower inclined block 8 outwards, the lower inclined block 8 extrudes the upper inclined block 9 on the outer side to move upwards, and the gap formed by screwing the bolt 6 upwards is filled, so that the core roller 5 is disassembled quickly;

during the core roller assembly, earlier in the first screw hole 12 of second screw rod 7 screw in core roller 5, then shift core roller 5 to the assembly position, with bolt 6 screw in downwards, go up sloping block 9 and remove downwards, the inclined plane of sloping block 9 will go up sloping block 8 and remove in to the recess 11 of second screw rod 7, promote recess 11 upward movement to drive core roller 5 upward movement, and then realize the rapid Assembly of core roller.

The core roller quick disassembling and installing mechanism is novel in structure and ingenious in conception, is simple in structural design and can be repeatedly used, the core roller 5 can be quickly disassembled and quickly installed, the disassembling and installing time of the core roller 5 is greatly saved, the production efficiency of ring pieces can be improved, meanwhile, the production range of inner special-shaped ring pieces can be expanded by utilizing the quick disassembling and installing of the core roller 5, the utilization rate of materials is improved, the production cost can be effectively reduced, and the production period can be shortened;

the core roller 5 which needs to be scrapped due to long-term use can be replaced quickly by the utility model; the rapid replacement of the core roller 5 can realize the rapid replacement of the core roller 5, greatly improves the feasibility of production scheduling, and can realize the production of various inner special-shaped ring pieces in one day, thereby saving the design method that the excess material has to be increased because the core roller is not changed, further improving the utilization rate of materials, improving the occupation ratio of the inner special-shaped ring pieces in the overall ring piece production and improving the production experience of operators by replacing the core roller 5.

Example two

Referring to fig. 2, the difference between the first preferred embodiment and the second embodiment is that a first threaded hole 12 is formed in the core roller 5 at a position corresponding to the second screw 7, so as to facilitate the connection and fixation of the second screw 7 and the core roller 5.

EXAMPLE III

Referring to fig. 2 and 3, as another preferred embodiment, the first embodiment is different from the first embodiment in that the positions of the upper inclined block 9 and the blind hole cover plate 10 corresponding to the bolt 6 are respectively provided with a second threaded hole 13, so that the bolt 6 is fixed conveniently.

Example four

The first embodiment is that the groove 11 is not convenient to use, and referring to fig. 2 and 3, as another preferred embodiment, the difference from the first embodiment is that the shape of the groove 11 is a right trapezoid, and the upper part is an inclined side, and the lower part is a right-angled side, so that the use of the groove 11 is convenient.

EXAMPLE five

In the first embodiment, the lower inclined block 8 is not convenient to be matched with the groove 11, and referring to fig. 2 and 3, as another preferred embodiment, the difference from the first embodiment is that the connection positions of the lower inclined block 8, the upper inclined edge of the groove 11 and the upper inclined block 9 are provided with inclined edges, so that the lower inclined block 8 and the groove 11 can be conveniently matched.

EXAMPLE six

In the first embodiment, the upper inclined block 9 and the lower inclined block 8 are not convenient to match, and referring to fig. 2 and 3, as another preferred embodiment, the difference from the first embodiment is that the connection part of the upper inclined block 9 and the lower inclined block 8 is provided with an inclined edge corresponding to the connection part, so that the upper inclined block 9 and the lower inclined block 8 can be conveniently matched for use.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a horizontal ring rolls is with core roller rapid Assembly and dismounting device, includes main frame (4), core roller (5), bolt (6), second screw rod (7), down sloping block (8), goes up sloping block (9), blind hole lid board (10), recess (11), first screw hole (12) and second screw hole (13), its characterized in that: the inner side of the main frame (4) is provided with a core roller (5), the top end of the core roller (5) is connected with a second screw rod (7) in a rotating mode, a blind hole cover plate (10) is arranged at the top of the second screw rod (7), two grooves (11) are symmetrically formed in two sides of the top of the second screw rod (7), a lower inclined block (8) is placed in each groove (11), an upper inclined block (9) is arranged on the outer side of each lower inclined block (8), and each upper inclined block (9) is connected with the blind hole cover plate (10) through a bolt (6).

2. The device for rapidly assembling and disassembling the core roller of the horizontal ring rolling mill according to claim 1, characterized in that the core roller (5) is provided with a first threaded hole (12) at a position corresponding to the second screw (7).

3. The device for rapidly assembling and disassembling the core roller of the horizontal ring rolling mill according to claim 1, wherein the second threaded holes (13) are formed in the positions, corresponding to the bolts (6), of the upper inclined block (9) and the blind hole cover plate (10).

4. The device for rapidly assembling and disassembling the core roller of the horizontal ring rolling mill according to claim 1, characterized in that the shape of the groove (11) is a right trapezoid with an inclined edge at the upper part and a right-angled edge at the lower part.

5. A device for quickly assembling and disassembling a core roller for a horizontal ring mill according to claim 1, characterized in that the joints of the lower inclined block (8) and the upper inclined edge of the groove (11) and the upper inclined block (9) are provided with inclined edges.

6. The device for rapidly assembling and disassembling the core roller of the horizontal ring rolling mill according to claim 1, characterized in that the joint of the upper inclined block (9) and the lower inclined block (8) is provided with a bevel edge corresponding to the joint.